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    http://gyazo.com/e00437193ca26f09e6474568f81e293d
    http://gyazo.com/edec0b08822d499bebcfd64bdea1cf5d

    Can someone help me with (ii)

    I got :
    http://gyazo.com/9f7cf5e89c4e1514b17045205d08af18
    http://gyazo.com/71614939e4b9bbd3c488c14f31467c1a
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    There are two (ii)s

    The second of the (ii) is clearly incorrect as you have changed a methylpropane skeleton into a butane skeleton.
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    (Original post by charco)
    There are two (ii)s

    The second of the (ii) is clearly incorrect as you have changed a methylpropane skeleton into a butane skeleton.
    Yeh, just realised
 
 
 
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